https://bugs.freedesktop.org/show_bug.cgi?id=53490
--- Comment #10 from Joeri Capens joeri@capens.net 2012-08-15 21:10:52 UTC --- I actually already tried that patch since I tried the last Linux GIT two days ago.
Unfortunately it doesn't fix the problem. The screen corruption does look a bit different though, see attachment "16_bank.png".
Adding a printk for the tile_config value right after its calculation gives me the following values:
Linux 3.4: 0x1112 (good) Linux 3.5: 0x1012 (corruption) Linux GIT: 0x0022 (slightly less corruption)
Does this information help?